Polycom® RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator's Guide
Network Topologies Enabling H.239 Content Over ISDN Cascaded
Links
ISDN Cascaded links that support H.239 Content can be created between two gateways,
gateway-to-MCU or between two MCUs in the following network topologies:
•
•
•
5-6
Gateway to Gateway
RMX Gateway A
Figure 5-3
Gateway to Gateway Topology
In this topology, an IP participant calls another IP participant over an ISDN link
between two gateways.
Gateway to MCU
RMX Gateway A
Figure 5-4
Gateway to MCU/ MCU to Gateway Topology
In this topology, an IP participant calls a conference running on an MCU via a gateway
and over an ISDN link.
MCU to MCU
Figure 5-5
Cascading Between Two MCUs Using an ISDN Link
In this topology, an ISDN participant from conference running on MCU A calls a
conference running on MCU B over an ISDN link.
RMX Gateway B
RMX MCU B
Polycom, Inc.
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